[INFO] updating cached repository https://github.com/shybyte/exercises-in-programming-style-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] eeb1242d7416b4a4b163f9be2fdb4c19984f436f
[INFO] testing shybyte/exercises-in-programming-style-rust against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshybyte%2Fexercises-in-programming-style-rust" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shybyte/exercises-in-programming-style-rust on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/shybyte/exercises-in-programming-style-rust
[INFO] finished tweaking git repo https://github.com/shybyte/exercises-in-programming-style-rust
[INFO] tweaked toml for git repo https://github.com/shybyte/exercises-in-programming-style-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/shybyte/exercises-in-programming-style-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c16ca8b7966f5ceb300a2b7997b1a55d02abce0ee4fffa69a009fa014998e041
[INFO] running `"docker" "start" "-a" "c16ca8b7966f5ceb300a2b7997b1a55d02abce0ee4fffa69a009fa014998e041"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling exercises_in_programming_style_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/bin/04-cookbook.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | /     /// Takes a path to a file and assigns the entire
[INFO] [stderr] 17 | |     /// contents of the file to the global variable data
[INFO] [stderr]    | |________________________________________________________^
[INFO] [stderr] 18 | /     let read_file = |filename: &str| {
[INFO] [stderr] 19 | |         let mut text = String::new();
[INFO] [stderr] 20 | |         File::open(filename).unwrap().read_to_string(&mut text).unwrap();
[INFO] [stderr] 21 | |         data.borrow_mut().append(&mut text.chars().collect());
[INFO] [stderr] 22 | |     };
[INFO] [stderr]    | |______- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/bin/04-cookbook.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |       /// Replaces all nonalphanumeric chars in data with white space
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 26 | /     let filter_chars_and_normalize = || {
[INFO] [stderr] 27 | |         for c in data.borrow_mut().iter_mut() {
[INFO] [stderr] 28 | |             if !c.is_alphanumeric() {
[INFO] [stderr] 29 | |                 *c = ' ';
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         }
[INFO] [stderr] 34 | |     };
[INFO] [stderr]    | |______- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/bin/04-cookbook.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |       /// Scans data for words, filling the global variable words
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 37 | /     let scan = || {
[INFO] [stderr] 38 | |         let data_str: String = data.borrow().iter().collect();
[INFO] [stderr] 39 | |         words.borrow_mut().append(&mut data_str.split(' ').map(|s| s.to_string()).filter(|s| !s.is_empty()).collect());
[INFO] [stderr] 40 | |     };
[INFO] [stderr]    | |______- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/bin/04-cookbook.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |       /// Scans data for words, filling the global variable words
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 43 | /     let remove_stop_words = || {
[INFO] [stderr] 44 | |         let mut stop_words: HashSet<String> = BufReader::new(File::open("test-data/stop_words.txt").unwrap())
[INFO] [stderr] 45 | |             .split(b',').map(|b| String::from_utf8_lossy(&b.unwrap()).into()).collect();
[INFO] [stderr] 46 | |         for ascii_lowercase in b'a'..b'z' { stop_words.insert((ascii_lowercase as char).to_string()); }
[INFO] [stderr] ...  |
[INFO] [stderr] 58 | |         }
[INFO] [stderr] 59 | |     };
[INFO] [stderr]    | |______- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/bin/04-cookbook.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |       /// Creates a list of pairs associating words with frequencies
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 62 | /     let frequencies = || {
[INFO] [stderr] 63 | |         let mut word_freqs_mut = word_freqs.borrow_mut();
[INFO] [stderr] 64 | |         for w in words.borrow().iter() {
[INFO] [stderr] 65 | |             if let Some(index) = word_freqs_mut.iter().position(|pair| &pair.0 == w) {
[INFO] [stderr] ...  |
[INFO] [stderr] 70 | |         }
[INFO] [stderr] 71 | |     };
[INFO] [stderr]    | |______- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/bin/04-cookbook.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |       /// Sorts word_freqs by frequency
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 74 | /     let sort = || {
[INFO] [stderr] 75 | |         word_freqs.borrow_mut().sort_by_key(|p| 0 - p.1);
[INFO] [stderr] 76 | |     };
[INFO] [stderr]    | |______- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.72s
[INFO] running `"docker" "inspect" "c16ca8b7966f5ceb300a2b7997b1a55d02abce0ee4fffa69a009fa014998e041"`
[INFO] running `"docker" "rm" "-f" "c16ca8b7966f5ceb300a2b7997b1a55d02abce0ee4fffa69a009fa014998e041"`
[INFO] [stdout] c16ca8b7966f5ceb300a2b7997b1a55d02abce0ee4fffa69a009fa014998e041
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 91aff85ee76a9646bab2b6ca6ad68f9e498eff78562e9e9a76eea19811151d66
[INFO] running `"docker" "start" "-a" "91aff85ee76a9646bab2b6ca6ad68f9e498eff78562e9e9a76eea19811151d66"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling exercises_in_programming_style_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/bin/04-cookbook.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | /     /// Takes a path to a file and assigns the entire
[INFO] [stderr] 17 | |     /// contents of the file to the global variable data
[INFO] [stderr]    | |________________________________________________________^
[INFO] [stderr] 18 | /     let read_file = |filename: &str| {
[INFO] [stderr] 19 | |         let mut text = String::new();
[INFO] [stderr] 20 | |         File::open(filename).unwrap().read_to_string(&mut text).unwrap();
[INFO] [stderr] 21 | |         data.borrow_mut().append(&mut text.chars().collect());
[INFO] [stderr] 22 | |     };
[INFO] [stderr]    | |______- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/bin/04-cookbook.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |       /// Replaces all nonalphanumeric chars in data with white space
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 26 | /     let filter_chars_and_normalize = || {
[INFO] [stderr] 27 | |         for c in data.borrow_mut().iter_mut() {
[INFO] [stderr] 28 | |             if !c.is_alphanumeric() {
[INFO] [stderr] 29 | |                 *c = ' ';
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         }
[INFO] [stderr] 34 | |     };
[INFO] [stderr]    | |______- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/bin/04-cookbook.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |       /// Scans data for words, filling the global variable words
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 37 | /     let scan = || {
[INFO] [stderr] 38 | |         let data_str: String = data.borrow().iter().collect();
[INFO] [stderr] 39 | |         words.borrow_mut().append(&mut data_str.split(' ').map(|s| s.to_string()).filter(|s| !s.is_empty()).collect());
[INFO] [stderr] 40 | |     };
[INFO] [stderr]    | |______- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/bin/04-cookbook.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |       /// Scans data for words, filling the global variable words
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 43 | /     let remove_stop_words = || {
[INFO] [stderr] 44 | |         let mut stop_words: HashSet<String> = BufReader::new(File::open("test-data/stop_words.txt").unwrap())
[INFO] [stderr] 45 | |             .split(b',').map(|b| String::from_utf8_lossy(&b.unwrap()).into()).collect();
[INFO] [stderr] 46 | |         for ascii_lowercase in b'a'..b'z' { stop_words.insert((ascii_lowercase as char).to_string()); }
[INFO] [stderr] ...  |
[INFO] [stderr] 58 | |         }
[INFO] [stderr] 59 | |     };
[INFO] [stderr]    | |______- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/bin/04-cookbook.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |       /// Creates a list of pairs associating words with frequencies
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 62 | /     let frequencies = || {
[INFO] [stderr] 63 | |         let mut word_freqs_mut = word_freqs.borrow_mut();
[INFO] [stderr] 64 | |         for w in words.borrow().iter() {
[INFO] [stderr] 65 | |             if let Some(index) = word_freqs_mut.iter().position(|pair| &pair.0 == w) {
[INFO] [stderr] ...  |
[INFO] [stderr] 70 | |         }
[INFO] [stderr] 71 | |     };
[INFO] [stderr]    | |______- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/bin/04-cookbook.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |       /// Sorts word_freqs by frequency
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 74 | /     let sort = || {
[INFO] [stderr] 75 | |         word_freqs.borrow_mut().sort_by_key(|p| 0 - p.1);
[INFO] [stderr] 76 | |     };
[INFO] [stderr]    | |______- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `"docker" "inspect" "91aff85ee76a9646bab2b6ca6ad68f9e498eff78562e9e9a76eea19811151d66"`
[INFO] running `"docker" "rm" "-f" "91aff85ee76a9646bab2b6ca6ad68f9e498eff78562e9e9a76eea19811151d66"`
[INFO] [stdout] 91aff85ee76a9646bab2b6ca6ad68f9e498eff78562e9e9a76eea19811151d66
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9d56a0814e04f909e1265bbb41df8831ab3c815dea2e1f5a562ff9fbfe029e33
[INFO] running `"docker" "start" "-a" "9d56a0814e04f909e1265bbb41df8831ab3c815dea2e1f5a562ff9fbfe029e33"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/bin/04-cookbook.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | /     /// Takes a path to a file and assigns the entire
[INFO] [stderr] 17 | |     /// contents of the file to the global variable data
[INFO] [stderr]    | |________________________________________________________^
[INFO] [stderr] 18 | /     let read_file = |filename: &str| {
[INFO] [stderr] 19 | |         let mut text = String::new();
[INFO] [stderr] 20 | |         File::open(filename).unwrap().read_to_string(&mut text).unwrap();
[INFO] [stderr] 21 | |         data.borrow_mut().append(&mut text.chars().collect());
[INFO] [stderr] 22 | |     };
[INFO] [stderr]    | |______- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/bin/04-cookbook.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |       /// Replaces all nonalphanumeric chars in data with white space
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 26 | /     let filter_chars_and_normalize = || {
[INFO] [stderr] 27 | |         for c in data.borrow_mut().iter_mut() {
[INFO] [stderr] 28 | |             if !c.is_alphanumeric() {
[INFO] [stderr] 29 | |                 *c = ' ';
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         }
[INFO] [stderr] 34 | |     };
[INFO] [stderr]    | |______- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/bin/04-cookbook.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |       /// Scans data for words, filling the global variable words
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 37 | /     let scan = || {
[INFO] [stderr] 38 | |         let data_str: String = data.borrow().iter().collect();
[INFO] [stderr] 39 | |         words.borrow_mut().append(&mut data_str.split(' ').map(|s| s.to_string()).filter(|s| !s.is_empty()).collect());
[INFO] [stderr] 40 | |     };
[INFO] [stderr]    | |______- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/bin/04-cookbook.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |       /// Scans data for words, filling the global variable words
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 43 | /     let remove_stop_words = || {
[INFO] [stderr] 44 | |         let mut stop_words: HashSet<String> = BufReader::new(File::open("test-data/stop_words.txt").unwrap())
[INFO] [stderr] 45 | |             .split(b',').map(|b| String::from_utf8_lossy(&b.unwrap()).into()).collect();
[INFO] [stderr] 46 | |         for ascii_lowercase in b'a'..b'z' { stop_words.insert((ascii_lowercase as char).to_string()); }
[INFO] [stderr] ...  |
[INFO] [stderr] 58 | |         }
[INFO] [stderr] 59 | |     };
[INFO] [stderr]    | |______- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/bin/04-cookbook.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |       /// Creates a list of pairs associating words with frequencies
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 62 | /     let frequencies = || {
[INFO] [stderr] 63 | |         let mut word_freqs_mut = word_freqs.borrow_mut();
[INFO] [stderr] 64 | |         for w in words.borrow().iter() {
[INFO] [stderr] 65 | |             if let Some(index) = word_freqs_mut.iter().position(|pair| &pair.0 == w) {
[INFO] [stderr] ...  |
[INFO] [stderr] 70 | |         }
[INFO] [stderr] 71 | |     };
[INFO] [stderr]    | |______- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/bin/04-cookbook.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |       /// Sorts word_freqs by frequency
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 74 | /     let sort = || {
[INFO] [stderr] 75 | |         word_freqs.borrow_mut().sort_by_key(|p| 0 - p.1);
[INFO] [stderr] 76 | |     };
[INFO] [stderr]    | |______- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/03_monolith-894ad6e4baeecc94
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/04_cookbook-e4a9ddd163f0b9be
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/05_pipeline-d7ab9aa1db6ada8d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/06_code_golf-3fceb2d44c246d57
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/07_infinite_mirror-2dd5550c8e177442
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/09_the_one-107c7a7e1ac180a2
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/10_things-49bb36e349b26eb5
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/42_rusty-1c8dbf2bca00adcb
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/exercises_in_programming_style_rust-a774f16b4f7de138
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9d56a0814e04f909e1265bbb41df8831ab3c815dea2e1f5a562ff9fbfe029e33"`
[INFO] running `"docker" "rm" "-f" "9d56a0814e04f909e1265bbb41df8831ab3c815dea2e1f5a562ff9fbfe029e33"`
[INFO] [stdout] 9d56a0814e04f909e1265bbb41df8831ab3c815dea2e1f5a562ff9fbfe029e33